Biology Gaseous Exchange Online Test MCQS

Malik TahirLast Updated: October 14, 2025

Important Biology Gaseous Exchange Question and Answer

Total Questions: 25
Time Allowed: 15 Minutes
Total Marks: 25
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: Biology Test
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Biology Gaseous Exchange Practice Test Online With Explanation

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1. In earthworm the exchange of gasses mainly occurs through ?

2. Four to five pairs of gills in fish are placed in bronchial cavities and are covered by ?

3. Parabronchi are thin walled ducts present in the respiratory system of ?

4. At all levels of activities in living organisms an uninterrupted supply of _______is required ?

5. Water is _______ times more viscous than air ?

6. Breathing is directly involved in the exchange of ?

7. In frog respiration occurs through ?

8. Respiration os one of the most important metabolic activities of ?

9. Oxygen content of fresh air is about ?

10. ATP is produced during ?

11. Infact photorespiration is reverse of ?

12. The main source of exchange of gases in plants is ?

13. Respiration is one of the most important metabolic activities of ?

14. In peroxisome the glycolate is converted in to ?

15. Hydra respires through ?

16. Photoresptration take place in ?

17. The heart of fish is ?

18. Organismic respiration is also known as ?

19. In birds during respiration the flow of air is ?

20. In fish the heart pumps blood directly to ?

21. In cockroach the main tracheal trunk communicates with exterior by 10 pairs of paired apertures called  ?

22. Air spaces between mesophyll cells of a leaf comprise _______of total volume

23. The cork tissue has special pores involved in gaseous exchange called ?

24. Photorespiration in plants takes pace when ?

25. Exchange of gases during organismic respiration is carried out only by ?


 

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Malik TahirLast Updated: October 14, 2025

Malik Tahir

Greetings, learners! I'm Tarry Malik, your guide to conquering the world of Exams prep and Online studies. Let's navigate the textbooks together, share study hacks, and make your educational journey a breeze.
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